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-rw-r--r--libglusterfs/src/Makefile.am4
-rw-r--r--libglusterfs/src/fd.c67
-rw-r--r--libglusterfs/src/inode.c76
-rw-r--r--libglusterfs/src/iobuf.c104
-rw-r--r--libglusterfs/src/iobuf.h1
-rw-r--r--libglusterfs/src/stack.c171
-rw-r--r--libglusterfs/src/stack.h6
-rw-r--r--libglusterfs/src/statedump.c213
-rw-r--r--libglusterfs/src/statedump.h78
-rw-r--r--libglusterfs/src/xlator.c5
-rw-r--r--libglusterfs/src/xlator.h22
11 files changed, 740 insertions, 7 deletions
diff --git a/libglusterfs/src/Makefile.am b/libglusterfs/src/Makefile.am
index 7698661fa..a3fb923ca 100644
--- a/libglusterfs/src/Makefile.am
+++ b/libglusterfs/src/Makefile.am
@@ -6,9 +6,9 @@ libglusterfs_la_LIBADD = @LEXLIB@
lib_LTLIBRARIES = libglusterfs.la
-libglusterfs_la_SOURCES = dict.c spec.lex.c y.tab.c xlator.c logging.c hashfn.c defaults.c scheduler.c common-utils.c transport.c timer.c inode.c call-stub.c compat.c authenticate.c fd.c compat-errno.c event.c mem-pool.c gf-dirent.c syscall.c iobuf.c globals.c
+libglusterfs_la_SOURCES = dict.c spec.lex.c y.tab.c xlator.c logging.c hashfn.c defaults.c scheduler.c common-utils.c transport.c timer.c inode.c call-stub.c compat.c authenticate.c fd.c compat-errno.c event.c mem-pool.c gf-dirent.c syscall.c iobuf.c globals.c statedump.c stack.c
-noinst_HEADERS = common-utils.h defaults.h dict.h glusterfs.h hashfn.h logging.h protocol.h scheduler.h xlator.h transport.h stack.h timer.h list.h inode.h call-stub.h compat.h authenticate.h fd.h revision.h compat-errno.h event.h mem-pool.h byte-order.h gf-dirent.h locking.h syscall.h iobuf.h globals.h
+noinst_HEADERS = common-utils.h defaults.h dict.h glusterfs.h hashfn.h logging.h protocol.h scheduler.h xlator.h transport.h stack.h timer.h list.h inode.h call-stub.h compat.h authenticate.h fd.h revision.h compat-errno.h event.h mem-pool.h byte-order.h gf-dirent.h locking.h syscall.h iobuf.h globals.h statedump.h
EXTRA_DIST = spec.l spec.y
diff --git a/libglusterfs/src/fd.c b/libglusterfs/src/fd.c
index 8f7616929..62536fc55 100644
--- a/libglusterfs/src/fd.c
+++ b/libglusterfs/src/fd.c
@@ -21,6 +21,7 @@
#include "glusterfs.h"
#include "inode.h"
#include "dict.h"
+#include "statedump.h"
#ifndef _CONFIG_H
@@ -685,3 +686,69 @@ fd_ctx_del (fd_t *fd, xlator_t *xlator, uint64_t *value)
return ret;
}
+
+
+void
+fd_dump (fd_t *fd, char *prefix)
+{
+ char key[GF_DUMP_MAX_BUF_LEN];
+ inode_t *inode = NULL;
+
+ if (!fd)
+ return;
+
+ memset(key, 0, sizeof(key));
+ gf_proc_dump_build_key(key, prefix, "pid");
+ gf_proc_dump_write(key, "%d", fd->pid);
+ gf_proc_dump_build_key(key, prefix, "refcount");
+ gf_proc_dump_write(key, "%d", fd->refcount);
+ gf_proc_dump_build_key(key, prefix, "flags");
+ gf_proc_dump_write(key, "%d", fd->flags);
+ gf_proc_dump_build_key(key, prefix, "inode");
+ gf_proc_dump_add_section(key);
+ inode_dump(inode, key, NULL);
+}
+
+
+void
+fdentry_dump (fdentry_t *fdentry, char *prefix)
+{
+ if (!fdentry)
+ return;
+
+ if (GF_FDENTRY_ALLOCATED != fdentry->next_free)
+ return;
+
+ if (fdentry->fd)
+ fd_dump(fdentry->fd, prefix);
+}
+
+void
+fdtable_dump (fdtable_t *fdtable, char *prefix)
+{
+ char key[GF_DUMP_MAX_BUF_LEN];
+ int i = 0;
+
+ if (!fdtable)
+ return;
+
+ memset(key, 0, sizeof(key));
+ gf_proc_dump_build_key(key, prefix, "refcount");
+ gf_proc_dump_write(key, "%d", fdtable->refcount);
+ gf_proc_dump_build_key(key, prefix, "maxfds");
+ gf_proc_dump_write(key, "%d", fdtable->max_fds);
+ gf_proc_dump_build_key(key, prefix, "first_free");
+ gf_proc_dump_write(key, "%d", fdtable->first_free);
+ gf_proc_dump_build_key(key, prefix, "lock");
+ gf_proc_dump_write(key, "%d", fdtable->lock);
+
+ for ( i = 0 ; i < fdtable->max_fds; i++) {
+ if (GF_FDENTRY_ALLOCATED ==
+ fdtable->fdentries[i].next_free) {
+ gf_proc_dump_build_key(key, prefix, "fdentry[%d]", i);
+ gf_proc_dump_add_section(key);
+ fdentry_dump(&fdtable->fdentries[i], key);
+ }
+ }
+}
+
diff --git a/libglusterfs/src/inode.c b/libglusterfs/src/inode.c
index 9796071d8..138e30068 100644
--- a/libglusterfs/src/inode.c
+++ b/libglusterfs/src/inode.c
@@ -24,6 +24,7 @@
#include "inode.h"
#include "common-utils.h"
+#include "statedump.h"
#include <pthread.h>
#include <sys/types.h>
#include <stdint.h>
@@ -35,6 +36,18 @@
move latest accessed dentry to list_head of inode
*/
+#define INODE_DUMP_LIST(head, key_buf, key_prefix, list_type, fn) \
+{ \
+ int i = 1;\
+ inode_t *inode = NULL;\
+ list_for_each_entry (inode, head, list) {\
+ gf_proc_dump_build_key(key_buf, key_prefix, "%s.%d",list_type,\
+ i++);\
+ gf_proc_dump_add_section(key_buf);\
+ inode_dump(inode, key, fn);\
+ }\
+}
+
static inode_t *
__inode_unref (inode_t *inode);
@@ -1194,3 +1207,66 @@ unlock:
return ret;
}
+
+void
+inode_dump (inode_t *inode, char *prefix, inode_priv_dump_fn fn)
+{
+ char key[GF_DUMP_MAX_BUF_LEN];
+ int ret;
+
+ if (!inode)
+ return;
+
+ ret = TRY_LOCK(&inode->lock);
+
+ if (ret != 0) {
+ gf_log("", GF_LOG_WARNING, "Unable to dump inode"
+ " errno: %d", errno);
+ return;
+ }
+
+ gf_proc_dump_build_key(key, prefix, "nlookup");
+ gf_proc_dump_write(key, "%ld", inode->nlookup);
+ gf_proc_dump_build_key(key, prefix, "generation");
+ gf_proc_dump_write(key, "%ld", inode->generation);
+ gf_proc_dump_build_key(key, prefix, "ref");
+ gf_proc_dump_write(key, "%u", inode->ref);
+ gf_proc_dump_build_key(key, prefix, "ino");
+ gf_proc_dump_write(key, "%ld", inode->ino);
+ gf_proc_dump_build_key(key, prefix, "st_mode");
+ gf_proc_dump_write(key, "%d", inode->st_mode);
+ UNLOCK(&inode->lock);
+ if (fn)
+ fn (inode);
+}
+
+void
+inode_table_dump (inode_table_t *itable, char *prefix, inode_priv_dump_fn fn)
+{
+
+ char key[GF_DUMP_MAX_BUF_LEN];
+
+ if (!itable)
+ return;
+
+ memset(key, 0, sizeof(key));
+ gf_proc_dump_build_key(key, prefix, "hashsize");
+ gf_proc_dump_write(key, "%d", itable->hashsize);
+ gf_proc_dump_build_key(key, prefix, "name");
+ gf_proc_dump_write(key, "%s", itable->name);
+
+ gf_proc_dump_build_key(key, prefix, "lru_limit");
+ gf_proc_dump_write(key, "%d", itable->lru_limit);
+ gf_proc_dump_build_key(key, prefix, "active_size");
+ gf_proc_dump_write(key, "%d", itable->active_size);
+ gf_proc_dump_build_key(key, prefix, "lru_size");
+ gf_proc_dump_write(key, "%d", itable->lru_size);
+ gf_proc_dump_build_key(key, prefix, "purge_size");
+ gf_proc_dump_write(key, "%d", itable->purge_size);
+
+ pthread_mutex_lock(&itable->lock);
+ INODE_DUMP_LIST(&itable->active, key, prefix, "active", fn);
+ INODE_DUMP_LIST(&itable->lru, key, prefix, "lru", fn);
+ INODE_DUMP_LIST(&itable->purge, key, prefix, "purge", fn);
+}
+
diff --git a/libglusterfs/src/iobuf.c b/libglusterfs/src/iobuf.c
index 6d6fca133..e9408f86b 100644
--- a/libglusterfs/src/iobuf.c
+++ b/libglusterfs/src/iobuf.c
@@ -19,6 +19,7 @@
#include "iobuf.h"
+#include "statedump.h"
#include <stdio.h>
@@ -636,3 +637,106 @@ iobref_size (struct iobref *iobref)
out:
return size;
}
+
+void
+iobuf_info_dump (struct iobuf *iobuf, const char *key_prefix)
+{
+ char key[GF_DUMP_MAX_BUF_LEN];
+ struct iobuf my_iobuf;
+ int ret = 0;
+
+ if (!iobuf)
+ return;
+
+ memset(&my_iobuf, 0, sizeof(my_iobuf));
+
+ ret = TRY_LOCK(&iobuf->lock);
+ if (ret) {
+ gf_log("", GF_LOG_WARNING, "Unable to dump iobuf"
+ " errno: %d", errno);
+ return;
+ }
+ memcpy(&my_iobuf, iobuf, sizeof(my_iobuf));
+ UNLOCK(&iobuf->lock);
+
+ gf_proc_dump_build_key(key, key_prefix,"ref");
+ gf_proc_dump_write(key, "%d", my_iobuf.ref);
+ gf_proc_dump_build_key(key, key_prefix,"ptr");
+ gf_proc_dump_write(key, "%p", my_iobuf.ptr);
+
+}
+
+void
+iobuf_arena_info_dump (struct iobuf_arena *iobuf_arena, const char *key_prefix)
+{
+ char key[GF_DUMP_MAX_BUF_LEN];
+ int i = 1;
+ struct iobuf *trav;
+
+ if (!iobuf_arena)
+ return;
+
+ gf_proc_dump_build_key(key, key_prefix,"mem_base");
+ gf_proc_dump_write(key, "%p", iobuf_arena->mem_base);
+ gf_proc_dump_build_key(key, key_prefix, "active_cnt");
+ gf_proc_dump_write(key, "%d", iobuf_arena->active_cnt);
+ gf_proc_dump_build_key(key, key_prefix, "passive_cnt");
+ gf_proc_dump_write(key, "%d", iobuf_arena->passive_cnt);
+ list_for_each_entry (trav, &iobuf_arena->active.list, list) {
+ gf_proc_dump_build_key(key, key_prefix,"active_iobuf.%d", i++);
+ gf_proc_dump_add_section(key);
+ iobuf_info_dump(trav, key);
+ }
+
+ i = 1;
+ list_for_each_entry (trav, &iobuf_arena->passive.list, list) {
+ gf_proc_dump_build_key(key, key_prefix,
+ "passive_iobuf.%d",i++);
+ gf_proc_dump_add_section(key);
+ iobuf_info_dump(trav, key);
+ }
+
+}
+
+void
+iobuf_stats_dump (struct iobuf_pool *iobuf_pool)
+{
+
+ char msg[1024];
+ struct iobuf_arena *trav;
+ int i = 1;
+ int ret = -1;
+
+ if (!iobuf_pool)
+ return;
+
+ memset(msg, 0, sizeof(msg));
+
+ ret = pthread_mutex_trylock(&iobuf_pool->mutex);
+
+ if (ret) {
+ gf_log("", GF_LOG_WARNING, "Unable to dump iobuf pool"
+ " errno: %d", errno);
+ return;
+ }
+ gf_proc_dump_add_section("iobuf.global");
+ gf_proc_dump_write("iobuf.global.iobuf_pool","%p", iobuf_pool);
+ gf_proc_dump_write("iobuf.global.iobuf_pool.page_size", "%d",
+ iobuf_pool->page_size);
+ gf_proc_dump_write("iobuf.global.iobuf_pool.arena_size", "%d",
+ iobuf_pool->arena_size);
+ gf_proc_dump_write("iobuf.global.iobuf_pool.arena_cnt", "%d",
+ iobuf_pool->arena_cnt);
+
+ list_for_each_entry (trav, &iobuf_pool->arenas.list, list) {
+ snprintf(msg, sizeof(msg), "iobuf.global.iobuf_pool.arena.%d",
+ i);
+ gf_proc_dump_add_section(msg);
+ iobuf_arena_info_dump(trav,msg);
+ i++;
+ }
+
+ pthread_mutex_unlock(&iobuf_pool->mutex);
+
+ return;
+}
diff --git a/libglusterfs/src/iobuf.h b/libglusterfs/src/iobuf.h
index d17c1db48..de95da324 100644
--- a/libglusterfs/src/iobuf.h
+++ b/libglusterfs/src/iobuf.h
@@ -123,5 +123,6 @@ int iobref_merge (struct iobref *to, struct iobref *from);
size_t iobuf_size (struct iobuf *iobuf);
size_t iobref_size (struct iobref *iobref);
+void iobuf_stats_dump (struct iobuf_pool *iobuf_pool);
#endif /* !_IOBUF_H_ */
diff --git a/libglusterfs/src/stack.c b/libglusterfs/src/stack.c
new file mode 100644
index 000000000..453248479
--- /dev/null
+++ b/libglusterfs/src/stack.c
@@ -0,0 +1,171 @@
+/*
+ Copyright (c) 2009 Z RESEARCH, Inc. <http://www.zresearch.com>
+ This file is part of GlusterFS.
+
+ GlusterFS is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published
+ by the Free Software Foundation; either version 3 of the License,
+ or (at your option) any later version.
+
+ GlusterFS is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see
+ <http://www.gnu.org/licenses/>.
+*/
+
+#include "statedump.h"
+#include "stack.h"
+
+static inline
+int call_frames_count (call_frame_t *call_frame)
+{
+ call_frame_t *pos;
+ int32_t count = 0;
+
+ if (!call_frame)
+ return count;
+
+ for (pos = call_frame; pos != NULL; pos = pos->next)
+ count++;
+
+ return count;
+}
+
+void
+gf_proc_dump_call_frame (call_frame_t *call_frame, const char *key_buf,...)
+{
+
+ char prefix[GF_DUMP_MAX_BUF_LEN];
+ va_list ap;
+ char key[GF_DUMP_MAX_BUF_LEN];
+ call_frame_t my_frame;
+ int ret = -1;
+
+ if (!call_frame)
+ return;
+
+ assert(key_buf);
+
+ memset(prefix, 0, sizeof(prefix));
+ memset(&my_frame, 0, sizeof(my_frame));
+ va_start(ap, key_buf);
+ vsnprintf(prefix, GF_DUMP_MAX_BUF_LEN, key_buf, ap);
+ va_end(ap);
+
+ ret = TRY_LOCK(&call_frame->lock);
+ if (ret) {
+ gf_log("", GF_LOG_WARNING, "Unable to dump call frame"
+ " errno: %d", errno);
+ return;
+ }
+
+ memcpy(&my_frame, call_frame, sizeof(my_frame));
+ UNLOCK(&call_frame->lock);
+
+ gf_proc_dump_build_key(key, prefix,"ref_count");
+ gf_proc_dump_write(key, "%d", my_frame.ref_count);
+ gf_proc_dump_build_key(key, prefix,"translator");
+ gf_proc_dump_write(key, "%s", my_frame.this->name);
+ gf_proc_dump_build_key(key, prefix,"complete");
+ gf_proc_dump_write(key, "%d", my_frame.complete);
+ if (my_frame.parent) {
+ gf_proc_dump_build_key(key, prefix,"parent");
+ gf_proc_dump_write(key, "%s", my_frame.parent->this->name);
+ }
+}
+
+
+void
+gf_proc_dump_call_stack (call_stack_t *call_stack, const char *key_buf,...)
+{
+ char prefix[GF_DUMP_MAX_BUF_LEN];
+ va_list ap;
+ call_frame_t *trav;
+ int32_t cnt, i;
+ char key[GF_DUMP_MAX_BUF_LEN];
+
+ if (!call_stack)
+ return;
+
+ assert(key_buf);
+
+ cnt = call_frames_count(&call_stack->frames);
+
+ memset(prefix, 0, sizeof(prefix));
+ va_start(ap, key_buf);
+ vsnprintf(prefix, GF_DUMP_MAX_BUF_LEN, key_buf, ap);
+ va_end(ap);
+
+ gf_proc_dump_build_key(key, prefix,"uid");
+ gf_proc_dump_write(key, "%d", call_stack->uid);
+ gf_proc_dump_build_key(key, prefix,"gid");
+ gf_proc_dump_write(key, "%d", call_stack->gid);
+ gf_proc_dump_build_key(key, prefix,"pid");
+ gf_proc_dump_write(key, "%d", call_stack->pid);
+ gf_proc_dump_build_key(key, prefix,"unique");
+ gf_proc_dump_write(key, "%Ld", call_stack->unique);
+
+ gf_proc_dump_build_key(key, prefix,"op");
+ if ((call_stack->type == GF_OP_TYPE_FOP_REQUEST) ||
+ (call_stack->type == GF_OP_TYPE_FOP_REPLY)) {
+ gf_proc_dump_write(key, "%s", gf_fop_list[call_stack->op]);
+ } else if ((call_stack->type == GF_OP_TYPE_MOP_REQUEST) ||
+ (call_stack->type == GF_OP_TYPE_MOP_REPLY)) {
+ gf_proc_dump_write(key, "%s", gf_mop_list[call_stack->op]);
+ } else if ((call_stack->type == GF_OP_TYPE_CBK_REQUEST) ||
+ (call_stack->type == GF_OP_TYPE_CBK_REPLY)) {
+ gf_proc_dump_write(key, "%s", gf_cbk_list[call_stack->op]);
+ }
+
+ gf_proc_dump_build_key(key, prefix,"type");
+ gf_proc_dump_write(key, "%d", call_stack->type);
+ gf_proc_dump_build_key(key, prefix,"cnt");
+ gf_proc_dump_write(key, "%d", cnt);
+
+ trav = &call_stack->frames;
+
+ for (i = 1; i <= cnt; i++) {
+ if (trav) {
+ gf_proc_dump_add_section("%s.frame.%d", prefix, i);
+ gf_proc_dump_call_frame(trav, "%s.frame.%d", prefix, i);
+ trav = trav->next;
+ }
+ }
+}
+
+void
+gf_proc_dump_pending_frames (call_pool_t *call_pool)
+{
+
+ call_stack_t *trav = NULL;
+ int i = 1;
+ int ret = -1;
+
+ if (!call_pool)
+ return;
+
+ ret = TRY_LOCK (&(call_pool->lock));
+ if (ret) {
+ gf_log("", GF_LOG_WARNING, "Unable to dump call pool"
+ " errno: %d", errno);
+ return;
+ }
+
+
+ gf_proc_dump_add_section("global.callpool");
+ gf_proc_dump_write("global.callpool","%p", call_pool);
+ gf_proc_dump_write("global.callpool.cnt","%d", call_pool->cnt);
+
+
+ list_for_each_entry (trav, &call_pool->all_frames, all_frames) {
+ gf_proc_dump_add_section("global.callpool.stack.%d",i);
+ gf_proc_dump_call_stack(trav, "global.callpool.stack.%d", i);
+ i++;
+ }
+ UNLOCK (&(call_pool->lock));
+}
+
diff --git a/libglusterfs/src/stack.h b/libglusterfs/src/stack.h
index e7c1cbd15..942972556 100644
--- a/libglusterfs/src/stack.h
+++ b/libglusterfs/src/stack.h
@@ -1,4 +1,4 @@
-/*
+/*
Copyright (c) 2006-2009 Z RESEARCH, Inc. <http://www.zresearch.com>
This file is part of GlusterFS.
@@ -74,6 +74,7 @@ struct _call_frame_t {
int32_t ref_count;
gf_lock_t lock;
void *cookie; /* unique cookie */
+ gf_boolean_t complete;
};
struct _call_stack_t {
@@ -208,6 +209,7 @@ STACK_DESTROY (call_stack_t *stack)
_parent->ref_count--; \
old_THIS = THIS; \
THIS = _parent->this; \
+ frame->complete = _gf_true; \
fn (_parent, frame->cookie, _parent->this, params); \
THIS = old_THIS; \
} while (0)
@@ -281,5 +283,7 @@ create_frame (xlator_t *xl, call_pool_t *pool)
return &stack->frames;
}
+void
+gf_proc_dump_pending_frames(call_pool_t *call_pool);
#endif /* _STACK_H */
diff --git a/libglusterfs/src/statedump.c b/libglusterfs/src/statedump.c
new file mode 100644
index 000000000..6839c28f6
--- /dev/null
+++ b/libglusterfs/src/statedump.c
@@ -0,0 +1,213 @@
+/*
+ Copyright (c) 2009 Z RESEARCH, Inc. <http://www.zresearch.com>
+ This file is part of GlusterFS.
+
+ GlusterFS is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published
+ by the Free Software Foundation; either version 3 of the License,
+ or (at your option) any later version.
+
+ GlusterFS is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see
+ <http://www.gnu.org/licenses/>.
+*/
+
+#include <stdarg.h>
+#include <malloc.h>
+#include "glusterfs.h"
+#include "logging.h"
+#include "iobuf.h"
+#include "statedump.h"
+#include "stack.h"
+
+
+static pthread_mutex_t gf_proc_dump_mutex;
+static int gf_dump_fd = -1;
+
+static void
+gf_proc_dump_lock (void)
+{
+ pthread_mutex_lock(&gf_proc_dump_mutex);
+}
+
+static void
+gf_proc_dump_unlock (void)
+{
+ pthread_mutex_unlock(&gf_proc_dump_mutex);
+}
+
+static int
+gf_proc_dump_open (void)
+{
+ char path[256];
+ int dump_fd = -1;
+
+ memset(path, 0, sizeof(path));
+ snprintf(path, sizeof(path), "%s.%d",GF_DUMP_LOGFILE_ROOT, getpid());
+
+ dump_fd = open(path, O_CREAT|O_RDWR|O_TRUNC|O_APPEND, 0600);
+ if (dump_fd < 0) {
+ gf_log("", GF_LOG_ERROR, "Unable to open file: %s"
+ " errno: %d", path, errno);
+ return -1;
+ }
+
+ gf_dump_fd = dump_fd;
+ return 0;
+}
+
+static void
+gf_proc_dump_close (void)
+{
+ close(gf_dump_fd);
+ gf_dump_fd = -1;
+}
+
+void
+gf_proc_dump_add_section (char *key, ...)
+{
+
+ char buf[GF_DUMP_MAX_BUF_LEN];
+ va_list ap;
+ int ret;
+
+ assert(key);
+
+ memset(buf, 0, sizeof(buf));
+ snprintf(buf, GF_DUMP_MAX_BUF_LEN, "\n[");
+ va_start(ap, key);
+ vsnprintf(buf + strlen(buf),
+ GF_DUMP_MAX_BUF_LEN - strlen(buf), key, ap);
+ va_end(ap);
+ snprintf(buf + strlen(buf),
+ GF_DUMP_MAX_BUF_LEN - strlen(buf), "]\n");
+ ret = write(gf_dump_fd, buf, strlen(buf));
+}
+
+void
+gf_proc_dump_write (char *key, char *value,...)
+{
+
+ char buf[GF_DUMP_MAX_BUF_LEN];
+ int offset = 0;
+ va_list ap;
+ int ret;
+
+ offset = strlen(key);
+
+ memset(buf, 0, GF_DUMP_MAX_BUF_LEN);
+ snprintf(buf, GF_DUMP_MAX_BUF_LEN, "%s",key);
+ snprintf(buf + offset, GF_DUMP_MAX_BUF_LEN - offset, "=");
+ offset += 1;
+ va_start(ap, value);
+ vsnprintf(buf + offset, GF_DUMP_MAX_BUF_LEN - offset, value, ap);
+ va_end(ap);
+
+ offset = strlen(buf);
+ snprintf(buf + offset, GF_DUMP_MAX_BUF_LEN - offset, "\n");
+ ret = write(gf_dump_fd, buf, strlen(buf));
+}
+
+
+/* Currently this dumps only mallinfo. More can be built on here */
+void
+gf_proc_dump_mem_info ()
+{
+#ifdef HAVE_MALLOC_STATS
+ struct mallinfo info;
+
+ memset(&info, 0, sizeof(struct mallinfo));
+ info = mallinfo();
+
+ gf_proc_dump_add_section("mallinfo");
+ gf_proc_dump_write("mallinfo_arena", "%d", info.arena);
+ gf_proc_dump_write("mallinfo_ordblks", "%d", info.ordblks);
+ gf_proc_dump_write("mallinfo_smblks","%d", info.smblks);
+ gf_proc_dump_write("mallinfo_hblks","%d", info.hblks);
+ gf_proc_dump_write("mallinfo_hblkhd", "%d", info.hblkhd);
+ gf_proc_dump_write("mallinfo_usmblks","%d", info.usmblks);
+ gf_proc_dump_write("mallinfo_fsmblks","%d", info.fsmblks);
+ gf_proc_dump_write("mallinfo_uordblks","%d", info.uordblks);
+ gf_proc_dump_write("mallinfo_fordblks", "%d", info.fordblks);
+ gf_proc_dump_write("mallinfo_keepcost", "%d", info.keepcost);
+#endif
+
+}
+
+
+void
+gf_proc_dump_xlator_info (xlator_t *this_xl)
+{
+
+ if (!this_xl)
+ return;
+
+ while (this_xl) {
+ if (!this_xl->dumpops) {
+ this_xl = this_xl->next;
+ continue;
+ }
+ if (this_xl->dumpops->priv)
+ this_xl->dumpops->priv(this_xl);
+ if (this_xl->dumpops->inode)
+ this_xl->dumpops->inode(this_xl);
+ if (this_xl->dumpops->fd)
+ this_xl->dumpops->fd(this_xl);
+ this_xl = this_xl->next;
+ }
+
+ return;
+}
+
+
+void
+gf_proc_dump_info (int signum)
+{
+ int ret = -1;
+ glusterfs_ctx_t *ctx = NULL;
+
+ gf_proc_dump_lock();
+ ret = gf_proc_dump_open();
+ if (ret < 0)
+ goto out;
+ gf_proc_dump_mem_info();
+ ctx = get_global_ctx_ptr();
+ if (ctx) {
+ iobuf_stats_dump(ctx->iobuf_pool);
+ gf_proc_dump_pending_frames(ctx->pool);
+ gf_proc_dump_xlator_info(ctx->graph);
+ }
+
+ gf_proc_dump_close();
+out:
+ gf_proc_dump_unlock();
+
+ return;
+}
+
+void
+gf_proc_dump_fini (void)
+{
+ pthread_mutex_destroy(&gf_proc_dump_mutex);
+}
+
+
+void
+gf_proc_dump_init ()
+{
+ pthread_mutex_init(&gf_proc_dump_mutex, NULL);
+
+ return;
+}
+
+void
+gf_proc_dump_cleanup (void)
+{
+ pthread_mutex_destroy(&gf_proc_dump_mutex);
+}
+
diff --git a/libglusterfs/src/statedump.h b/libglusterfs/src/statedump.h
new file mode 100644
index 000000000..9ac50ec0c
--- /dev/null
+++ b/libglusterfs/src/statedump.h
@@ -0,0 +1,78 @@
+/*
+ Copyright (c) 2009 Z RESEARCH, Inc. <http://www.zresearch.com>
+ This file is part of GlusterFS.
+
+ GlusterFS is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published
+ by the Free Software Foundation; either version 3 of the License,
+ or (at your option) any later version.
+
+ GlusterFS is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see
+ <http://www.gnu.org/licenses/>.
+*/
+
+
+#ifndef STATEDUMP_H
+#define STATEDUMP_H
+
+#include <stdarg.h>
+#include "inode.h"
+
+#define GF_DUMP_MAX_BUF_LEN 4096
+
+#define GF_DUMP_LOGFILE_ROOT "/tmp/glusterdump"
+#define GF_DUMP_LOGFILE_ROOT_LEN 256
+
+static inline
+void _gf_proc_dump_build_key (char *key, const char *prefix, char *fmt,...)
+{
+ char buf[GF_DUMP_MAX_BUF_LEN];
+ va_list ap;
+
+ memset(buf, 0, sizeof(buf));
+ va_start(ap, fmt);
+ vsnprintf(buf, GF_DUMP_MAX_BUF_LEN, fmt, ap);
+ va_end(ap);
+ snprintf(key, GF_DUMP_MAX_BUF_LEN, "%s.%s", prefix, buf);
+}
+
+#define gf_proc_dump_build_key(key, key_prefix, fmt...) \
+{\
+ _gf_proc_dump_build_key(key, key_prefix, ##fmt);\
+}
+
+typedef void (*inode_priv_dump_fn) (inode_t *);
+
+void
+gf_proc_dump_init();
+
+void
+gf_proc_dump_fini(void);
+
+void
+gf_proc_dump_cleanup(void);
+
+void
+gf_proc_dump_info(int signum);
+
+void
+gf_proc_dump_add_section(char *key,...);
+
+void
+gf_proc_dump_write(char *key, char *value,...);
+
+void
+inode_table_dump(inode_table_t *itable, char *prefix, inode_priv_dump_fn fn);
+
+void
+fdtable_dump(fdtable_t *fdtable, char *prefix);
+
+void
+inode_dump(inode_t *inode, char *prefix, inode_priv_dump_fn fn);
+#endif /* STATEDUMP_H */
diff --git a/libglusterfs/src/xlator.c b/libglusterfs/src/xlator.c
index a3f8ea8fc..def1ad1df 100644
--- a/libglusterfs/src/xlator.c
+++ b/libglusterfs/src/xlator.c
@@ -740,6 +740,11 @@ xlator_set_type (xlator_t *xl,
"dlsym(notify) on %s -- neglecting", dlerror ());
}
+ if (!(xl->dumpops = dlsym (handle, "dumpops"))) {
+ gf_log ("xlator", GF_LOG_DEBUG,
+ "dlsym(dumpops) on %s -- neglecting", dlerror ());
+ }
+
INIT_LIST_HEAD (&xl->volume_options);
vol_opt = CALLOC (1, sizeof (volume_opt_list_t));
diff --git a/libglusterfs/src/xlator.h b/libglusterfs/src/xlator.h
index e8fc9d250..2e815af91 100644
--- a/libglusterfs/src/xlator.h
+++ b/libglusterfs/src/xlator.h
@@ -806,6 +806,19 @@ struct xlator_cbks {
cbk_release_t releasedir;
};
+typedef int32_t (*dumpop_priv_t) (xlator_t *this);
+
+typedef int32_t (*dumpop_inode_t) (xlator_t *this);
+
+typedef int32_t (*dumpop_fd_t) (xlator_t *this);
+
+
+struct xlator_dumpops {
+ dumpop_priv_t priv;
+ dumpop_inode_t inode;
+ dumpop_fd_t fd;
+};
+
typedef struct xlator_list {
xlator_t *xlator;
struct xlator_list *next;
@@ -859,10 +872,11 @@ struct _xlator {
dict_t *options;
/* Set after doing dlopen() */
- struct xlator_fops *fops;
- struct xlator_mops *mops;
- struct xlator_cbks *cbks;
- struct list_head volume_options; /* list of volume_option_t */
+ struct xlator_fops *fops;
+ struct xlator_mops *mops;
+ struct xlator_cbks *cbks;
+ struct xlator_dumpops *dumpops;
+ struct list_head volume_options; /* list of volume_option_t */
void (*fini) (xlator_t *this);
int32_t (*init) (xlator_t *this);
generated by cgit (git 2.34.1) at 2025-11-04 12:38:17 +0000